Why settle for a few hundred puzzles when you can have thousands?
Welcome to the 2026 Revised Edition of Sudoku 9x9: Volume I. This isn't just a puzzle book; it's a comprehensive mental gymnasium. We have expanded this edition from 1,200 to 2,400 all-new puzzles, making it one of the largest single-volume collections available today.
The Power of the AlgorithmEvery puzzle in this collection is generated using a proprietary logic algorithm developed by Sanket Sarang at ABCOM. In a world where there are 6,670,903,752,021,072,936,960 (6.67 x 10 21) unique 9x9 grids, our system ensures that every grid you solve is mathematically unique, fresh, and perfectly structured. No "guessing" is ever required-only pure, satisfying logic.
Why This Revised Edition is a Must-Have:Unbeatable Value: With 2,400 puzzles spread across 200 pages, this volume offers months of daily entertainment.
Smart High-Density Layout: Featuring 12 puzzles per page, this book is designed for the serious solver who wants a lightweight, portable book without sacrificing content.
Brain Health & Clarity: Sudoku is scientifically proven to improve memory, increase concentration, and provide a much-needed "digital detox" for the modern mind.
Perfect for All Levels: Whether you are warming up or looking for a deep cognitive challenge, this volume provides a vast library of grids to master.
Inside the Book:Format: High-quality white paper, optimized for pencil and eraser use.
Size: 8 x 10 inches - providing a stable and comfortable solving surface.
Legacy: A trusted series since 2009, now updated for 2026 with 100% new content.
Stop buying multiple thin books. Switch to the Sudoku Marathon. Grab your pencil, sharpen your focus, and start your journey through 2,400 levels of logic today
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